16906072 has 16 divisors (see below), whose sum is σ = 32792400. Its totient is φ = 8161440.

The previous prime is 16906051. The next prime is 16906073. The reversal of 16906072 is 27060961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16906073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36204 + ... + 36667.

It is an arithmetic number, because the mean of its divisors is an integer number (2049525).

Almost surely, 2^16906072 is an apocalyptic number.

It is an amenable number.

16906072 is a deficient number, since it is larger than the sum of its proper divisors (15886328).

16906072 is a wasteful number, since it uses less digits than its factorization.

16906072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72906 (or 72902 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 16906072 is about 4111.6994053554. The cubic root of 16906072 is about 256.6537247274.

The spelling of 16906072 in words is "sixteen million, nine hundred six thousand, seventy-two".